You know those days when you’re so overwhelmed by the 19 pressing tasks on your to-do list that the only logical course of action is to spend an hour posting squeal-worthy kitten videos on Facebook? If the client you just asked for a deadline extension is your Facebook friend, so do they. Ditto for the colleague you said you were too busy to lunch with. If you’re going to play the “I’m sooooo crazybusy!” card, you’d best not get caught goofing off on social media an hour later.

I wrote about this on ABCNews.com this past week, listing four ways freelancers, telecommuters, and employees trash their reputation on social media. Read the piece here, and tell me what you think in the comments below. Have you committed any of these cardinal sins of social media? Have you seen other freelancers messing up their professional rep on Twitter, Facebook, and other social media sites? Do tell.